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<gallery caption="Examples of structural BMPs." widths="140px"> | <gallery caption="Examples of structural BMPs." widths="140px"> | ||
− | File | + | File:Stillwater rain garden 2.JPG|alt=photo of a bioretention BMP|Bioretention (rain garden) |
File:picture of porous concrete 1.jpg|alt=photo illustrating an example of pervious concrete|Permeable pavement | File:picture of porous concrete 1.jpg|alt=photo illustrating an example of pervious concrete|Permeable pavement | ||
File:Target Center Arena Green Roof 3 Minneapolis, MN.jpg|alt=image of target center green roof, Minneapolis, MN|Green roof (Image Courtesy of The Kestrel Design Group, Inc.) | File:Target Center Arena Green Roof 3 Minneapolis, MN.jpg|alt=image of target center green roof, Minneapolis, MN|Green roof (Image Courtesy of The Kestrel Design Group, Inc.) | ||
File:Sand infiltration 4.jpg|alt=photo of an iron ehanced sand filter basin|Iron enhanced sand filter (Photo courtesy of Barr Engineering) | File:Sand infiltration 4.jpg|alt=photo of an iron ehanced sand filter basin|Iron enhanced sand filter (Photo courtesy of Barr Engineering) | ||
</gallery> | </gallery> |
A structural stormwater BMP is defined in the MS4 General permit as "a stationary and permanent BMP that is designed, constructed and operated to prevent or reduce the discharge of pollutants in stormwater".